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Related Concept Videos

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Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
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Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre- and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
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Neurotransmitters are integral to the brain's communication system, enabling neurons to transmit signals across synapses. This chemical exchange underpins various cognitive functions, including memory processes. The role of neurotransmitters in memory is multifaceted, influencing the encoding, consolidation, and retrieval of memories through their action on different neural circuits.
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Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
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Related Experiment Video

Updated: Apr 20, 2026

3D Modeling of Dendritic Spines with Synaptic Plasticity
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Neural ECM molecules in synaptic plasticity, learning, and memory.

Oleg Senkov1, Pavle Andjus2, Lidija Radenovic2

  • 1Molecular Neuroplasticity Group, German Center for Neurodegenerative Diseases (DZNE), Magdeburg, Germany.

Progress in Brain Research
|November 21, 2014
PubMed
Summary
This summary is machine-generated.

Neural extracellular matrix (ECM) molecules regulate synaptic plasticity and memory. Targeting ECM shows potential for treating cognitive deficits in neurological diseases.

Keywords:
Chondroitin sulfateECMExtracellular matrixHeparan sulfateHyaluronic acidLearningMemoryReelinSynaptic plasticityTenascin

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Area of Science:

  • Neuroscience
  • Molecular Biology
  • Cell Biology

Background:

  • Neural extracellular matrix (ECM) molecules are crucial for brain function.
  • ECM regulates synaptic plasticity and neuronal excitability.
  • Dysregulation of ECM is implicated in neurological disorders.

Purpose of the Study:

  • To investigate the role of ECM in synaptic plasticity, learning, and memory.
  • To explore the therapeutic potential of targeting ECM for cognitive deficits.

Main Methods:

  • Genetic and enzymatic targeting of ECM molecules.
  • Assessment of memory acquisition, cognitive flexibility, and fear/drug memory extinction.
  • Analysis of ECM's impact on neuronal signaling pathways.

Main Results:

  • ECM molecules bidirectionally modulate memory acquisition.
  • Targeting ECM promotes cognitive flexibility and memory extinction.
  • ECM plays a key role in synaptic plasticity, learning, and memory.

Conclusions:

  • ECM is a critical regulator of cognitive functions.
  • ECM represents a promising therapeutic target for novel synapse-plasticizing drugs.
  • Targeting ECM may offer new treatment strategies for psychiatric and neurodegenerative diseases.